Tooth and Nail is the 3rd book in the Inspector John Rebus series by Ian Rankin. I like the main character in this series. The writing is fine but nothing spectacular, and the plots are interesting but again not spectacular. I do like the main character. He has an intriguing back-story the effects of which continue to develop through each book. I'll keep picking these up as I come across them.
from the back of the book:
Sent to London to help catch a vicious serial killer, Inspector John Rebus teams up with a beautiful psychologist to piece together a portrait of a depraved psychopath bent on paiting the town red -with blood...
I've read the following books in this series:
#1 Knots and Crosses
#13 Resurrection Men